chore: RealtimeBoard -> Miro

closes #996

app/embeds/index.js

@@ -11,10 +11,10 @@ import Loom from './Loom';
 import Lucidchart from './Lucidchart';
 import Marvel from './Marvel';
 import Mindmeister from './Mindmeister';
+import Miro from './Miro';
 import ModeAnalytics from './ModeAnalytics';
 import Numeracy from './Numeracy';
 import Prezi from './Prezi';
-import RealtimeBoard from './RealtimeBoard';
 import Spotify from './Spotify';
 import Trello from './Trello';
 import Typeform from './Typeform';
@@ -34,10 +34,10 @@ export default {
   Lucidchart,
   Marvel,
   Mindmeister,
+  Miro,
   ModeAnalytics,
   Numeracy,
   Prezi,
-  RealtimeBoard,
   Spotify,
   Trello,
   Typeform,